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Finding the Fourth Proportional to 6,998.58, 10,499.68 and 2,616.07

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Solution

The fourth proportional to 6,998.58, 10,499.68 and 2,616.07 is: 3,924.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,998.58 : 10,499.68 = 2,616.07 : x
  2. Step 2: Convert to fraction form
    6,998.58/10,499.68 = 2,616.07/x
  3. Step 3: Cross multiply
    6,998.58x = 10,499.68 × 2,616.07
  4. Step 4: Simplify right side
    6,998.58x = 27,467,884.78
  5. Step 5: Solve for x
    x = 27,467,884.78/6,998.58
  6. Step 6: Final answer
    x = 3,924.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.